This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2026-106438 →

DEBIAN-CVE-2026-106438

An incorrect calculation in Decimal128 string parsing in the MongoDB C Driver can accept certain over-precision inputs containing leading zeros instea...

Original description

The description as published by the source.

An incorrect calculation in Decimal128 string parsing in the MongoDB C Driver can accept certain over-precision inputs containing leading zeros instead of rejecting them. This produces a value different from the supplied text. An actor who can provide a decimal string to an embedding application, including through Extended JSON parsing, can cause the application to store or use an incorrect numeric value.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 mongo-c-driver

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Debian:13 mongo-c-driver

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Debian:14 mongo-c-driver

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.6-1"}]}]

References

advisory security-tracker.debian.org